@unpublished{repository19564,
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
           title = {Bukti Ajar 5A},
            note = {Unpublished},
          author = {Chandra Dewi S., CDS},
             url = {http://repository.uhamka.ac.id/id/eprint/19564/}
}